feat(AlgebraicTopology/SimplicialSet): more on nondegenerate simplices of the standard simplex

[joelriou]

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[github-actions]

PR summary 82670e855c

Import changes for modified files

No significant changes to the import graph

Import changes for all files

Files	Import difference

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Declarations diff

+ bijective_image_objEquiv_toOrderHom_univ
+ face_bot
+ face_nonDegenerateEquiv'
+ face_univ
+ hasDimensionLT_face
+ instance {n : ℕ} : HasDimensionLT (boundary n) n := by
+ map_objEquiv_op_apply
+ nonDegenerateEquiv'
+ nonDegenerateEquiv'_iff
+ nonDegenerateEquiv'_symm_apply_mem
+ nonDegenerateEquiv'_symm_mem_iff_face_le
+ ofSimplex_eq_subcomplex_mk
+ orderIsoOfNonDegenerate
+ range_succAboveOrderEmb
+ subcomplex_cast
+ univ_neq_empty
+ yonedaEquiv_symm_app_id

You can run this locally as follows

## summary with just the declaration names:
./scripts/pr_summary/declarations_diff.sh <optional_commit>

## more verbose report:
./scripts/pr_summary/declarations_diff.sh long <optional_commit>

The doc-module for scripts/pr_summary/declarations_diff.sh contains some details about this script.

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Increase in tech debt: (relative, absolute) = (5.00, 0.00)

Current number	Change	Type
7347	5	backward.isDefEq

Current commit 72aa268ad9
Reference commit 82670e855c

You can run this locally as

./scripts/reporting/technical-debt-metrics.sh pr_summary

• The relative value is the weighted sum of the differences with weight given by the inverse of the current value of the statistic.
• The absolute value is the relative value divided by the total sum of the inverses of the current values (i.e. the weighted average of the differences).